48V 3,5kWh* COMMERCIAL BATTERY
FIXED BATTERY PACK (Fi3.5)
RELIABLE POWER. EASY INTEGRATION.
The Vanguard™ 48V 3,5kWh* fixed commercial battery is designed for durability and reliability, housed in a sealed aluminum diecast enclosure that protects against vibration, dust, and dirt, and can be pressure-washed for easy maintenance. Its integrated battery management system (BMS) ensures optimal performance, while the standard CAN J1939 communication, with an option for dual communication via CAN Open, enhances connectivity. Offering dependable power and a lower total cost of ownership, this battery is ideal for a wide range of electrified applications from 3,5 to 35,0 kWh*.

Durable
Multiple protective features tested to withstand harsh conditions, including extreme temperatures, impact, vibration and dirt.

Intelligent & Safe
The integrated Battery Management System monitors temperatures and voltages of each cell bank to ensure sage operations and maximum safety.

Efficient maintenance
The unique design of the Cell Module Assembly (CMA) enables precise monitoring of battery performance metrics and is easily serviceable.

Flexibility
Single CANbus J1939 communication protocol allows easy integration into any application.

* Total energy measured using a 0.2C discharge per IEC 61960-3:2017

Unmatched Durability
Encased in a sealed, compact aluminum diecast enclosure, it resists vibration, dust, and dirt.
Maximum Efficiency
Designed to deliver a 2.000 cycle lifespan with virtually no scheduled maintenance.
Uncomplicated Troubleshooting
Diagnostic protocols use standard CANbus procedures.


Effortless Integration
There are two CANbus ports so OEMs can easily exchange information with the battery pack. One CANbus uses the J1939 automotive standard, while the other is designed for uncomplicated data transfer with the OEM's current communication network: No reprogramming of that network is required.
Consistently Delivering Confidence
The integrated Battery Management System (BMS) continuously tracks voltage and temperature, ensuring reliable monitoring.
POPULAR MARKETS & APPLICATIONS


Industrial & Construction
There's no room on the job site for downtime. The everlasting power and durability of Vanguard power solutions are the perfect fit for construction and industrial equipment.
Example applications:

Rental
Easy-starting and maximum uptime—just what fleets need. Vanguard’s power solutions are backed by a strong training program for superior service and maintenance.
Example application:

Landscape & Agriculture
Vanguard batteries deliver rugged reliability to boost productivity on the farm. Designed to maximize uptime, they help farmers cover more acres efficiently, season after season.
Example application:

Fi Series Name | Fi3.5 |
Model Number | 80127410 |
Nominal Voltage (V) | 51,6 |
Top Voltage (V) per IEC 61960 | 58,8 |
Cutoff Voltage (V) | 35,0 |
Nominal Capacity per IEC 61960 | 67,5 Ah / 3,5 kWh |
Communication Protocols | J1939 (29-bit), CAN Open (11-bit) |
Discharge Temperature Range | -20°C to +70°C |
Charging Temperature Range | 0°C to +45°C |
Marketed Durability Hours/Cycles | up to 2.000 cycles to 80% initial capacity |
Parallel Capable | Yes, up to 10 batteries |
Standard Charge Time | 4 hours |
Battery Series | Fixed |
Rated Discharging Current | 29A |
Ingress Protection Rating | |
Warranty | Vanguard offers an 8 year commercial limited warranty for all lithium-ion battery packs. Get more information about our warranties. |
Operator Manuals | Download Operator Manuals by using the model number above |
*Total energy measured using a 0.2C discharge per IEC 61960-3:2017.
RELATED PRODUCTS

The Vanguard™ battery system provides a comprehensive range of advanced lithium-ion battery packs, high-performance motors, motor controllers, and efficient chargers. Engineered for seamless integration, these components work together to deliver a balanced, powerful, and reliable energy solution. Choose the full Vanguard™ system today for unmatched performance!

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* Total energy measured using a 0.2C discharge per IEC 61960-3:2017
VANGUARD BATTERY TECHNOLOGY

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